Organ Decellularization
Organ Decellularization - Related Videos
03:30
Preparation of Decellularized Rat Kidney: A Procedure to Generate Acellular Vascularized Whole-organ Scaffold from a Harvested Rat Kidney
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2023
This video describes the preparation of a decellularized rat kidney. The obtained acellular vascular scaffold can serve as a promising platform for tissue engineering of organ grafts.
09:24
Decellularization and Recellularization of Whole Livers
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Cited by 39 •
2011
Perfusion decellularization is a novel technique to produce whole liver scaffolds that retains the organ's extracellular matrix composition and microarchitecture. Herein, the method of preparing whole organ scaffolds using perfusion decellularization and subsequent repopulation with hepatocytes is described. Functional and transplantable liver grafts can be generated using this technique.
05:17
Cardiopulmonary Complex Decellularization: A Technique for Decellularizing Heart and Lungs from Murine Model
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2025
This video demonstrates a method of producing decellularized extracellular matrix or ECM scaffolds by applying antegrade perfusion of detergents through the vasculature. The structural ECM scaffolds can then be used to analyze ECM remodeling associated with cardiopulmonary disease.
06:12
Development and Characterization of Decellularized Lung Extracellular Matrix Hydrogels
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Cited by 3 •
2023
The protocol elucidates two distinct decellularization methodologies applied to native bovine pulmonary tissues, providing a comprehensive account of their respective characterizations.
05:25
Dissection and Isolation of Region-Specific Decellularized Lung Tissue
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2023
Presented here is a protocol for the isolation of regional decellularized lung tissue. This protocol provides a powerful tool for studying complexities in the extracellular matrix and cell-matrix interactions.
FAQs
The treatment sequence targets different cellular components. Detergents disrupt cell membranes and solubilize lipids, while enzymes help break down cellular material and nucleases degrade DNA. These complementary actions reduce cellular remnants without making chemical exposure the sole criterion of success. The engineering goal is to remove debris while retaining the extracellular matrix and three-dimensional architecture.
The vascular network is a structural feature that can remain within the engineered scaffold after cellular material is removed. Its preservation helps maintain the organ’s native spatial organization and supports the value of perfusion-based processing. It also provides a relevant architectural element when researchers investigate recellularization or design strategies for repairing and replacing damaged tissues.
A preserved extracellular matrix contributes tissue-specific biochemical and mechanical cues that a generic material may not reproduce. These cues give the scaffold biological and structural relevance for engineering studies, including investigations of organ structure, biomaterial design, and regenerative strategies. Their retention helps connect the scaffold’s physical architecture with the tissue it originally supported.
A typical workflow applies detergents, enzymes, and nucleases through perfusion or immersion, followed by thorough washing. The chemical steps disrupt membranes, solubilize lipids, and degrade DNA, while washing reduces residual cellular debris and treatment products. This sequence produces a cleaner scaffold for subsequent structural studies or recellularization experiments.
Perfusion and immersion provide two ways to expose an organ to the decellularizing treatments. Perfusion is especially relevant when researchers seek to use the organ’s vascular network during processing, whereas immersion provides treatment contact with the tissue as a whole. The selected format is part of the procedure used to prepare the scaffold for engineering studies.
Researchers apply decellularized organs to study organ structure, develop biomaterials, model disease, and investigate regenerative medicine strategies. The resulting scaffolds can also support recellularization with stem or primary cells, creating a platform for examining how cells interact with preserved tissue architecture. These uses connect scaffold engineering with potential repair or replacement of damaged tissues.